diff --git a/pyproject.toml b/pyproject.toml
index 6551e72a..9a50f986 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ tests = [
     "requests==2.34.2",
     "PySide6==6.11.1",
     "ansys-tools-common==0.5.0",
-    "pytest==8.3.5",
+    "pytest==9.0.3",
     "pytest-cov==7.1.0",
     "pytest-qt==4.5.0",
     "setuptools==82.0.1",
diff --git a/tests/test_gui.py b/tests/test_gui.py
index ac83e60e..fe48b8ed 100644
--- a/tests/test_gui.py
+++ b/tests/test_gui.py
@@ -22,23 +22,18 @@
 
 from PySide6 import QtWidgets
 import pytest
-from pytestqt.qtbot import QtBot
 
 from ansys.tools.installer.main import AnsysPythonInstaller
 
 
-@pytest.fixture(scope="session")
-def qtbot_session(qapp, request):
-    result = QtBot(qapp)
-    yield result
-
-
-@pytest.fixture(scope="session")
-def gui(qtbot_session):
+@pytest.fixture
+def gui(qtbot):
     installer = AnsysPythonInstaller(show=False)
+    qtbot.addWidget(installer)
     yield installer
-    # qtbot_session.wait(1000)
-    # installer.close()
+    installer.close()
+    installer.deleteLater()
+    qtbot.wait(1)
 
 
 def test_main_window_header(gui):